12921839

素因数分解:

$7^3\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:495

約数の個数: 16

約数和(自身を含む): 15259200

約数和(自身を除く): 2337361

約数列:

[1, 7, 49, 101, 343, 373, 707, 2611, 4949, 18277, 34643, 37673, 127939, 263711, 1845977, 12921839]

約数ペア:

[(1, 12921839), (7, 1845977), (49, 263711), (101, 127939), (343, 37673), (373, 34643), (707, 18277), (2611, 4949)]